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It is uncertain whether the Corruptor has appeared as a reactionary evolution due to our efforts at combating Contagion Spikes or because of some sort of self-preserving sentience. Its agenda is clear however; To carry and spread Rockpox as far and as rapidly as possible. Physiological research suggests that most of its body is composed of bio-mass from consumed local fauna encasing a cluster of Plaguehearts. Encasing that, it has grown an exterior, silicon-based shell of what appears to be mostly Rockpox-infected rock and assorted minerals.
— Miner's Manual Description

The Lithophage Corruptor or the Rockpox Corruptor is a large creature that can sometimes be found roaming missions. It must be noted that the Corruptor does not spawn in Lithophage outbreaks like typical Rockpox enemies. Rather, it is only encountered on Meteor Impact encounters where it may have a chance in replacing the Lithophage meteors with itself. Even then, their spawn rates are extremely rare, so it is extremely unlikely a typical player will encounter one in a typical mission. Upon encountering one, the players must call a cleansing pod in order to fight it, however, by itself, the Corruptor is initially passive and neutral. So one shouldn't be pressured to immediately attack the Corruptor when encountering one alone.

The only way to destroy it is to shoot the boils on its sides with Lithofoam before vacuuming the foam with the Lithovac, which causes its armor to break and reveal more boils. Repeat the steps again to break the second layer, and when the second layer breaks, a weak point on that side is revealed. In order to damage the creature, the revealed weak points must be shot. Foaming and vacuuming other sides of the creature can reveal more weak points.

Upon death, the Lithophage corruptor will drop 3 Plaguehearts, which can then be deposited in the M.U.L.E. for additional Performance points for the Performance Pass.


The Lithophage Corruptor has four distinct ways to protect itself against the dwarves.

  • Rockpox Corruption: When moving, the Lithophage Corruptor will leave behind a trail of Rockpox, infecting dwarves that are following behind it with Rockpox infection.
  • Slam: When dwarves come too close to the Lithophage Corruptor, it will slam down, dealing damage in an area around it. This attack will knock back any dwarves that are hit by this attack. This attack is telegraphed by a distinct screech.
  • Shell Crack: Every time a layer is stripped, it will release some Rockpox Larvae. These Larvae can prove to be a real nuisance if they aren't taken care of quickly.
  • Subterranean Tendrils: In order to deal with dwarves that keep their distance from the Lithophage Corruptor, the Lithophage Corruptor can use its Subterranean Tendrils to try and hit dwarves that are currently on the ground by creating a patch of Rockpox underneath them. These patches dissapear after some time. The Lithophage Corruptor will use this attack more often when a layer has been stripped.


The best strategy to deal with a Lithophage Corruptor is teamwork. Your main priority should be breaking most, preferably all layers of armor, before finally taking out the Lithophage Corruptor itself. If you are with a full team, it's best to have two people foaming and vacuuming the Lithophage corruptor using both the LithoFoamer and the LithoVac in order to strip its armor, while the others prevent any Rockpox Larvae from piling up. Once all armor layers are broken, unload into its weakpoints with everything you have.

Something to keep in mind while fighting a Lithophage Corruptor is the Rockpox infection. Make sure you prevent yourself from becoming fully infected, since it will make you a sitting duck for both any Rockpox Larvae that happen to be around, and the Lithophage Corruptor's Subterranean Tendril attack.


  • At 7200 base health, the Lithophage Corruptor has the highest health out of any enemy.
  • The Corruptor have been given the name "Harold" by the community ever since it was first revealed.